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2. Surface-supplied diving equipment - Wikipedia

   en.wikipedia.org/wiki/Surface-supplied_diving...

   Thus, the surface-supplied diver is less likely to have an "out-of-air" emergency than a scuba diver using a single gas supply, as there are normally two alternative breathing gas sources available. Surface-supplied diving equipment usually includes communication capability with the surface, which improves the safety and efficiency of the ...

3. Diving suit - Wikipedia

   en.wikipedia.org/wiki/Diving_suit

   Semi-dry suits are effectively a wetsuit with watertight seams and nearly watertight seals at wrist, neck, ankles and zip. They are typically used where the water temperature is between 10 and 20 °C (50 and 68 °F). The seals limit the volume of water entering and leaving the suit, and a close fit minimises pumping action caused by limb motion.

4. Wetsuit - Wikipedia

   en.wikipedia.org/wiki/Wetsuit

   Hard soled wetsuit boots with zip fasteners. Usually a wetsuit has no covering for the feet, hands or head, and the diver must wear separate neoprene boots, gloves and hood for additional insulation and environmental protection. Other accessories to the basic suit include pockets for holding small items and equipment, and knee-pads, to protect ...

5. Scuba diving - Wikipedia

   en.wikipedia.org/wiki/Scuba_diving

   Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The word scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...

6. Dry suit - Wikipedia

   en.wikipedia.org/wiki/Dry_suit

   The dry suit is a form of exposure suit, a garment worn to protect the user from adverse environmental conditions.The two most common purposes are to insulate the wearer against excessive heat loss, and to isolate the wearer from direct contact with a liquid environment during immersion or repeated multi-directional contact with bulk liquids or spray.

7. Diving (sport) - Wikipedia

   en.wikipedia.org/wiki/Diving_(sport)

   Group C (12/13 year): 5 m & 7.5 m; Group B (14/15 year): 5 m, 7.5 m & 10 m; Group A (16/18 year): 5 m, 7.5 m & 10 m; Group D divers have only recently been allowed to compete on the tower. In the past, the age group could compete only springboard, to discourage children from taking on the greater risks of tower diving.